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.net 3.5 Server 2012 r2

Posted on 2014-11-04
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Last Modified: 2016-06-20
Im trying to install .net 3.5 onto my 2012 r2 server and not having any luck.

I have removed the following security updates

KB2966826
KB2966827
KB2966828

I have also tried selecting the source and pointing at my install disk and it still fails.

Can I download the .net 3.5 files (not install package) and I can point at that source?

Any help would be great.

Thanks
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Question by:RedDoorSupplies
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6 Comments
 
LVL 28

Expert Comment

by:Dan McFadden
ID: 40421312
I would try the following:

- with the installation media available, run the following command:

dism.exe /online /enable-feature /featurename:NetFX3 /all /Source:Path-To-The-SxS-Directory

Where the Source option is something like:  D:\sources\sxs  where D: is the CD/DVD drive

Dan
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Author Comment

by:RedDoorSupplies
ID: 40421316
Hi I have tried that and I get an error related to the log file?

Have also tried a power shell install command pointing at the install CD which is making me think that may be part of the issue.
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LVL 28

Expert Comment

by:Dan McFadden
ID: 40421322
Have you tried copying the contents of the CD to a local HDD and then trying the install?
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Expert Comment

by:Experienced Member
ID: 40421335
Did you try install it from Control Panel, Programs and Features, Windows Features?  Enable both .NET 3.5 and 4.  Does that help.

Try running the .NET FX verify and repair tool.

The .NET Framework Repair Tool can be found at the following locations:
http://support.microsoft.com/kb/2698555
http://go.microsoft.com/fwlink/?LinkID=246062
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Accepted Solution

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RedDoorSupplies earned 0 total points
ID: 40421343
Right after about 3 hours I have finally got it installed.

I had to change the group policy so the machine looks at the web rather that WSUS for the files

It shows you here how its done

http://support.microsoft.com/kb/2734782

What a ball ache but all sorted now.

Thanks
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